The version field is still needed to actually allow future block version upgrades. We would cut off our road forward if that were to be blocked.
On Friday, 7 April 2017 22:06:39 CEST Jimmy Song via bitcoin-dev wrote: > Currently, the version bits (currently 4 bytes, or 32 bits) in the header > are used for BIP9 signaling. We change the version bits to a nonce-space > so the miners can use it for overt ASICBoost. The 32-bits are now moved > over to the Coinbase transaction as part of the witness commitment. The > witness commitment goes from 38 bytes to 42 bytes, with the last 4 bytes > being used as the version bits in the block header previously. The > witness commitment becomes required as per Gregory Maxwell’s proposal. > Reasoning -- Tom Zander Blog: https://zander.github.io Vlog: https://vimeo.com/channels/tomscryptochannel _______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev